List simple experimental tests to determine if either Hydrogen, Oxygen, Chlorine or Carbon Dioxide gas was produced in a reaction. State conditions and expected positive results for each

Presence of:H2: Squeaky Pop Test: use a lit split to light a small sample of gas in a test tube. If Hydrogen, then a Squeaky pop will occur. O2: Glowing Splint Test: Add a still glowing splint to a small sample of gas in a test tube. If Oxygen, the splint with reignite. CO2: Limewater Test: Bubble the gas through a sample of Calcium Hydroxide, Ca(OH)2 . If Carbon Dioxide, a white precipitate of Calcium Carbonate, CaCO3 will form from the original clear liquid. Cl2: Bleach Test: Place a piece of litmus paper in a sample in a test tube. If Chlorine, the litmus will go from either blue or red to white in colour.

Answered by Daniel S. Chemistry tutor

1452 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

Calculate the number of moles of carbon dioxide molecules in 11 g of CO2.


What is the difference between an alkene and an alkane?


Describe the differences in Structure and properties of diamond and graphite


Calculate the number of moles in 0.2g of NaCl


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences